The remains of a 415-million-year-old fish skull from Siberia — though miniscule in size — offer hints about the origins of all jawed vertebrates, ranging from reptiles to humans, a new study finds.

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

WASHINGTON: A bottom-dwelling, mud-grubbing, armoured fish that swam in tropical seas 423 million years ago is fundamentally changing the understanding of the evolution of an indisputably ...

As you sit at your desk and chew your morning muffin, consider the complicated interlocking structure of your jaw. How did you manage to evolve such a thing? What you’re eating through is essentially ...

Scientists uncovered a 310-million-year-old fish fossil with a “tongue bite,” teeth on the roof and floor of its mouth that worked like a second jaw. This adaptation, previously thought to have ...

OK. Now, this next story is jaw-dropping, in a sense. Scientists in China have unearthed a fossil fish that is the most primitive animal yet discovered that has a jaw. As NPR's Rhitu Chatterjee ...